The IO module (Input/Output Module) is an external device used to expand the input and output functions of the computer system. It can be expanded to multiple nodes, depending on the specific IO module type and system design. Some common…
What are the connections and differences between RTU, DTU and industrial gateway?
RTU (full spelling: Remote Terminal Unit), DTU (full spelling: Data Terminal Unit) and industrial gateways are common devices in the field of industrial automation. They play an important role in industrial data collection, transmission and communication. Although they all have…
Can the MQTT protocol of the Internet of Things be connected to PLC devices that only support the MODBUS protocol?
The MQTT protocol of the Internet of Things can be connected to PLC devices that only support the MODBUS protocol. The MQTT protocol is a lightweight communication protocol designed for efficient communication in low-bandwidth, unstable network environments. The MODBUS protocol…
What are the functions of the extended io interface?
Expanding the IO interface function allows us to handle more input and output situations during the programming process, improving the flexibility and performance of the program. The following are some common IO interface function extensions: 1. File operation: More file…
How to resolve Modbus device conflicts?
In a Modbus communication environment, device conflicts may cause communication failures, data errors, or system performance degradation. In order to solve these problems, it is necessary to investigate and adjust from different aspects. Listed below are some detailed suggestions and…
How many IO interfaces does the PLC expansion unit have?
A PLC (Programmable Logic Controller) is an electronic device used in automated control systems to monitor and control input and output signals in industrial processes. The PLC expansion unit is a device used to expand the PLC input and output…
What are the applications of edge gateways in smart cities?
Smart cities refer to cities that use information technology to improve urban management and living standards. The edge gateway also plays an important role in smart cities. It is a bridge between terminal devices and cloud platforms. It can collect,…
How many types of io expansion modules are there? How much does an io expansion module generally cost?
What is an io extension module? IO expansion module is a hardware device used to expand the input/output functions of a computer or other device. According to different interface types and functions, IO expansion modules can be divided into many…
How long will the Cat.1 price war last?
In the cellular IoT market, since the module link is relatively transparent, the industry often discusses cellular IoT from the perspective of cellular modules to understand the overall market situation. According to the latest global cellular IoT module market forecast…
Which edge smart gateway is better in Sichuan?Lead the future and choose intelligent control
Which edge smart gateway is better in Sichuan? Choose Zongheng Intelligent Control Edge Computing Gateway to lead the future of the Internet of Things world! Sichuan edge intelligent gateway is the first choice of Zongheng Intelligent Control to provide you…
How to use Modbus to achieve remote data collection and control?
To use Modbus to achieve remote data collection and control, you can follow the following steps: Determine the communication protocol: Choose to use Modbus TCP or Modbus RTU communication protocol, and determine the communication protocol version and communication parameters used…
Does the zigbee gateway need to be connected to the Internet? What is the working principle of the ZigBee gateway?
Whether the ZigBee gateway needs to be connected to the Internet depends on your actual needs. Normally, a ZigBee gateway needs to be connected to the Internet to communicate with other devices. This is because the ZigBee protocol itself does…